Precision crafted to protect a user's eyes, while also providing a high degree of comfort, the purpose-built Sierra Protective Eyewear offers the whole package. The glasses provide excellent side and front impact protection, while also guarding against impact hazards and/or flying particles, dust, sparks and glare. These safety glasses offer integrated side shields, vented brow guard, Tuff-Stuff™ scratch-resistant lens and adjustable temples.